Water sprinkler



April- 16', 1935. o. H. ENGLEHART WATER SPRINKLER Filed Dec. 18, 1933 p f77- X 1 s s. gg

s 1 '//VVS Patented Apr. 16, 1935 l 4 UNITED STATES PATENT OFFICE WAT-En sPRINxLER Orton H. Englehart, Glendora, Calif.

Application neceiber 1s, 193s, serial No. '102,902

19 claims. (o1. 299-69) My invention relates to a water sprinkler of to permit the free passage of water through said the slow rotary type and particularly designed connection. for use in orchards, gardens, golf courses, lawns Secured to one of the arms of the Y connecand the like and the principal object of my intion, is a tubular arm I1 that preferably occupies vention is, to provide a relatively7 sin/rple, pracan inclined position with respect to vertical and 5 tical and inexpensive sprinkler wherein the jet horizontal planes and carried by the Outer end nozzle or nozzles are caused to slowly revolve by Of this arm, iS a COIlVeIltiOIlai .iet hOZZie I8. small increments or step by step movements so as Secured to the other arm of the Y connection to effectively distribute water throughout a conl5. iS an inclined tubular arm I9. the Outer end l0 siderable area immediately surrounding the of which carries a jet nozzle 20. 10

sprinkler, Formed integral with and projecting outward- Further` objects of my invention are, to generly from One Side 0f 110221@ 20, iS a ShOIt plate 2| ally improve upon and simplify the construction and Seated therein, iS a Din 01 SCIeW 22, havofthe existing forms of slow rotation sprinklers, lng 2 COIllCal pOln 23 that OCCllpieS a DOSOYI further, to provide a sprinkler of the character in the Path 0 travel 0f the .iet 0f Water that 15 referred to having relatively few operating parts iSSlieS ffOm IlOZZle This Dill 01 SCreW is for and further, to provide a sprinkler whereby the JEhe. purpose. 0f breaking up the jet 0f Water that rotary arm that carries the'jet nozzle or nozzles SSUeS from nozzle 20 and Causing a' POIOII Of is Caused to rotate with e step by step movement said water to be distributed over the ground ad- 20 as a result of repeated impacts that are delivered jacent t0 the sprinkler and Within that area that 20 by a Spring heid member and the operation of is encompassed by the area upon which water which latter is brought about by a jet of water from lne main nozzle '8 ls dlslllbllledthat issues from one of the said distributing noz- Pln 22 may be Tlglflly Xed 130 plate 2| 0r it Zles may be in the form of a screw as illustrated so 25 with the foregoing and other objects in View as to adjust the position of the pointed end relaf- 25 my invention consists in certain novel features lVe lo lne iet 0f Water that SSUeS from the adof construction and arrangement of parts that laoenl nozzlewill be hereinafter more fully described and Under solne Conditions it may be desirable t0 claimed and illustrated in the accompanying arrange a pm such as 22 in nozzle i8 rather than 3o drawing in which; in nozzle 20 or if desired, such pins may be lo- 30 Fig. 1 is a top View of a sprinkler constructed cated ln both nozzles in accordance with my invention Seated 1n the center of the Y connection I6, Fig. 2 is a side elevational view of the sprinls lne loWel' end of an upwardly projecting DOSt kier with parts thereof in vertical section. 24 and mounted so rotate freely iiherellllwrl, iS a Fig. 3 is an enlarged detail section taken on the sleeve 25 35 line 3 3 of Fig 2. The upper end of the sleeve is seated in the de- Fig. 4 is a cross section taken on the line 4--4 Pendlng leg of a T Conneeiin 25 and the upper of Fig 3' end of post 24 is provided with a conical bear- Referring by numerals to the accompanying lng 2l that engages the upper Dart 0f the Wall drawing which illustrates apreferred embodiment of the oonneotlon 26- 40 of my invention, I0 designates a short vertically A lolslonal snnng 23 surrounds Sleeve 25 and disposed tubular member that is suitably con- ]ssllsnged between the Connections l5 and 25 nected, preferably by means of a coupling Il to Wlln the upper' end 0f Sald Spring looped OVel.

a pipe I2 that Serves as a duct for Water under connection 26 and the lower end of said spring pressure and mounted for rotation within said log ialeogfagstslfl;'gggselnrhi 45 member m 1S a' tube '3 that 1S prolllded on lts 29 is seated in one of the horizontal arms of Ik loWel end with a Hanse ll' connection 26 andv secured to the outer end of Interposod between ange I4 and the lower this'arm and occupying an inclined position corend 0f tubular member lo 1s a snlsable gasket responding with the inclined position of tubular 50 0r packlhg Img |5- arm I9 and jet nozzle 2U, is an open .ended box- Detachably secured to the upper end of tube iike member 30 i3, that projects thlOugh tubular member "Lis Under normal conditions or while the sprinkler the lower end 0f a Y crlneCiiOn I6, the DaSSageis not in use, the rear Wall ofY member 30 rests ways through which are stream lined in order against the outer portion of p1ate'2l, being held 55 in such position by the tension exerted by spring 28 and thus said member 3|) is positioned directly in advance of the jet opening of nozzle 20.

'Ihe outer portion 3| of the rear wall of housing 30 is inclined forwardly so as to occupy a position directly in line with the jet opening through nozzle 2li, thereby providing an inclined vane or surface that is impinged by the jet of Water issuing from said nozzle.

YThe front wall of the housing 30 is extended a substantial distance beyond the end of the inclined wall or vane 3| as designated by 32 and the outer portion of this extended wall is curved rearwardly, or away from vane 3|, thus forming a defiector to cause the water that discharges through member 30 to discharge outwardly at an angle relative to the vertical plane occupied by the sprinkler arms and I9.

Seated in the fitting 26, opposite from and in line with arm 29, is a short arm 33, the outer end of which carries a weight 34, that functions as a counter balance for the weight of arm 29 and parts carried thereby.

In the operation of my improved sprinkler water under pressure from supply pipe I2 fiows upwardly through tube 3, thence through Y connection I6 and thence through tubular arms and I9 and such water discharges in jet form through the jet nozzles I8 and 20.

The greater portion of the jet of water issuing from nozzle 20, strikes against vane 3| and is deflected thereby against the extended plate 32 and the reaction of water leaving the latter causes the housing 30 and arm 29 to swing in an arc away from jet nozzle 20 and arm I9, the length of which arc depends upon the resistance offered by torsional spring 28, also the total weight of the swinging assembly and the force of the water issuing from the jet nozzle.

The reactive action just described causes the oscillating member to swing rather than to cause the entire sprinkler to rotate backward because the resistance of spring 28 is less than the resistance offered by the friction caused by the upward thrust of iiange I4 and gasket I5 against tubular member I0, which thrust is due to the pressure of the water passing through pipe |2 and tube I3.

As soon as the inertia of the swinging parts is expended, the torsional spring rotates the swinging assembly in the opposite direction, during which movement the swinging assembly turns on the axis at the upper end of post 24 and toward the end of said swinging movement the member 3i) is traveling with such velocity that it cuts through the jet from nozzle 20 and finally strikes against the extended plate 2|, thereby causing the entire sprinkler to rotate upon the fixed tubular member I0 for a relatively small portion of its complete rotation.

This operation repeated continuously effects the complete rotation of the sprinkler with a step by step-movement and thus water from the two nozzles is distributed throughout a considerable area immediately adjacent to the sprinkler.

The partial vacuum produced on the outside of vane 3| and the rear wall of member 30 as the latter cuts into the jet of water, tends to pull said member 30 further into said jet and such action aids materially in producing a steady, strong oscillation.

It is desirable that the oscillating arm of the sprinkler and also the rotating part thereof be balanced with respect to their respective axes so that the sprinkler will function properly even though the plane of rotation is not horizontal. Under some conditions it may be desirable to permit water to issue from nozzle 2D only, in which event the tubular arm |1 and nozzle I8 may be replaced by a suitable counter weight.

Thus it will be seen that I have provided a slow rotation water sprinkler that is relatively simple in construction, inexpensive of manufacture and very effective in performing the functions for which it is intended.

It will be understood that minor changes in the size, form and construction f the various parts of my improved water sprinkler may be made and substituted for those herein shown and described without departing from the spirit of my invention, the scope of which is set forth in the appended claims.

I claim as my invention:

1. In a water sprinkler, a tubular arm mounted for rotation on a substantially vertical axis and provided with a jet opening, an arm mounted for oscillatory movement upon said tubular arm and having an axis that is substantially coaxial with the axis of said tubular arm and arranged to impact said first mentioned tubular arm at a set point in its oscillation and means carried by said oscillating arm for causing said tubular arm to rotate with step by step movement as a result of impacts of the oscillating arm against said tubular arm.

2. In a water sprinkler, a tubular arm mounted for rotation and provided with a jet opening, an arm mounted for oscillatory movement upon said tubular arm, the axes of said oscillating arm and tubular arm being substantially the same and means whereby said oscillatory arm is caused to oscilate and strike against said rotary tubular arm to effect step by step rotation of the latter.

3. In a Water sprinkler, a rotatably mounted tubular member provided with a jet opening, an arm mounted for oscillatory movement on said tubular member, a vane carried by said arm, said oscillating arm arranged to impact said tubular member at a certain point in its oscillation, said vane being arranged to enter the jet of water issuing from the jet opening in the tubular arm and to move the oscillating arm away from the tubular arm, and a spring arranged between said oscillatory arm and said rotatably mounted arm for causing said oscillatory arm to strike against said tubular arm and impart step by step rotary movement thereto.

4. In a water sprinkler, a rotatably mounted tubular member provided with a jet opening, an arm mounted for oscillatory movement on said tubular member and arranged to impact said tubular member at a certain point in its oscillation, a vane carried by said oscillatory arm and normally positioned in the path of travel of the jet of water issuing from the jet opening in said tubular arm which vane is arranged so as to be moved away from the tubular member as a result of the impact of the jet of water issuing from said jet nozzle and a spring arranged between said arm and tubular member for yieldingly resisting the movement of said arm as the vane thereon is impinged by the jet of water issuing from the jet opening in said tubular member and for causing said arm to periodically strike against said tubular member and impart step by step rotary movement thereto.

5. In a water sprinkler, a rotatably mounted tubular member provided with a jet opening, an arm mounted for oscillatory movement on said tubular member, a vane carried by said oscillatory arm and normally positioned in the path o! travel of the jet of water issuing from the jet'opening in said tubular arm which vane occupies an angular position with respect to the direction of ow oi' the jet of water issuing from the jet opening so as to be moved away from the tubular member by the force of the jet issuing from said jet opening and a spring arranged between said oscillatory arm and said tubular member for yieldingly resisting the movement of said arm away from said tubular member as a result of the reaction of the deected jet of water issuing from said jet opening against said vane and for swinging said arm toward said tubular member and striking the same withl sufcient force to impart step by step rotary movement to said tubular member.

6. In a water sprinkler, a rotatably mounted tubular member provided with a jet opening, an arm mounted for oscillatory movement on a vertical axis on said tubular member, a housing provided with a vane carried by said oscillatory arm, said vane having an inclined portion that is normally positioned in the path of travel of the jet of water issuing from the jet opening in said tubular member and so constructed and arranged as to swing the end of the oscillatory arm away from the tubular member as a result of the force of the jet of water issuing from said jet nozzle against said vane, the housing arranged to cut through the jet and strike against a portion of the tubular member at one end of the oscillatory movement of said arm, and a deflector carried by said housing oppositely arranged with respect to said vane, and a spring arranged between said tubular member and oscillating arm for yieldingly resisting the swinging movement of said oscillating arm away from said tubular member.

7. In a water sprinkler, a rotatably mounted tubular member provided with a jet opening, an arm mounted for oscillatory movement on'said tubular member, a vane carried by said oscillatory arm and normally positioned in the path of travel of the jet of water issuing from the jet opening in said tubular member and a pin carried by said tubular member and projecting into the path of travel of the jet of water issuing from said jet nozzle.

8. In a water sprinkler, a pair of oppositely arranged rotatably mounted tubular members, each provided with a jet opening. an arm mounted for oscillatory movement on a vertical axis upon said tubular members and arranged to impact one of said tubular members at a certain point in its oscillation, a vane carried by said oscillatory arm having an inclined portion that is normally positioned in the path of travel ofthe jet of water issuing from the jet opening in one of said tubular members, and so arranged that it moves the oscillating arm away from the tubular arm.

9. In a water sprinkler, the combination with a rotatably mounted tubular member having a jet opening and an arm mounted for oscillatory movement on said tubular member, said tubular member and arm having substantially the same axis of movement and cooperating means between said tubular member and arm for imparting oscillatory movement to said arm and causing A the same to strike against said rotatably mounted member to impart step by step rotary movement thereto.

10. In a water sprinkler, a jet nozzle member mounted for rotary movement, an oscillatory member mounted on said jet nozzle member and arranged to impact said jet nozzle member at a certain point in its oscillation, a vane carried by said oscillating member and arranged to enter the jet of water and to swing the end of the oscillating member away from the jet nozzle member, a portion of which oscillatory member is inclined and adapted to enter the jet of water issuing from said nozzle for deflecting said jet, means for yieldingly resisting the oscillatory movement of said member away from said jet nozzle and tending to return said oscillatory member to said jet nozzle, and the friction in the bearing for the rotatably mounted jet nozzle being suillclent to prevent said nozzle from rotating backward under the reactionary force of the deflected iet. l

ORTON H. ENGLEHART. 

